The Sutter Basin is a 264 sq mi (680 km2) area of the Sacramento Valley in the U.S. state of California, and is part of the Feather River drainage basin. The basin includes the Sutter Basin Fire Protection District of ~127 sq mi (330 km2) and uses irrigation from the Thermalito Afterbay's Sutter-Butte Canal. The Feather River and the Sutter By-Pass are the basin's east and southwest borders.